Product Details
The AJC® replacement battery is compatible with Chamberlain 4228 garage door systems and serves as an exact OEM replacement, ensuring a precise fit. This maintenance-free AGM technology eliminates the need to add acid or water throughout the battery's lifespan. It is crucial to note that users must re-use their existing cabling and hardware, as this product is solely a replacement battery. Customers are responsible for verifying that the batteries being ordered match the specifications of their existing units before placing an order, and the company does not accept responsibility for incorrect orders. The battery is a UL recognized component, highlighting its safety and reliability. It comes with a 12-month warranty, and the product is backed by easy 30-day returns. Please note that these products are not affiliated with or authorized by Chamberlain.
